Skip to Content
Merck
CN
All Photos(1)

Key Documents

View All Documentation

Safety Information

120561

Sigma-Aldrich

Amaranth

Dye content 80 %

Synonym(s):

Acid Red 27, Azorubin S, FD & C Red Dye No. 2

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C20H11N2Na3O10S3
CAS Number:
915-67-3
Molecular Weight:
604.47
Colour Index Number:
16185
Beilstein:
4122311
EC Number:
213-022-2
MDL number:
MFCD00004076
UNSPSC Code:
12171500

composition

Dye content, 80%

λmax

521 nm

SMILES string

[Na+].[Na+].[Na+].Oc1c(N=Nc2ccc(c3ccccc23)S([O-])(=O)=O)c4ccc(cc4cc1S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C20H14N2O10S3.3Na/c23-20-18(35(30,31)32)10-11-9-12(33(24,25)26)5-6-13(11)19(20)22-21-16-7-8-17(34(27,28)29)15-4-2-1-3-14(15)16;;;/h1-10,23H,(H,24,25,26)(H,27,28,29)(H,30,31,32);;;/q;3*+1/p-3

InChI key

WLDHEUZGFKACJH-UHFFFAOYSA-K

Looking for similar products? Visit Product Comparison Guide

replaced by

Product No.
Description
Pricing

Regulatory Information

新产品

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
02815BM
09119JG
07022MY
05822MA
04402MA

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service